Earthworks Audio DK7, Microphone Set for Drum Miking@+*Set consists of:*@+@+, 2x SR25 condenser microphone for overhead miking, 1x SR20LS for bass drum miking, 4x DM20 gooseneck condenser microphone for tom and snare pick-up, 4x RM1 rim mount, 3x MC1 microphone clamp, 4x PW1 windscreen, Plastic carrying case@+*Technical data SR25 condenser microphone:*@+@+, Polar pattern: cardioid, Frequency response: 50 - 25,000 Hz, Class-A amplifier, Max. sound pressure level: 145 dB, Requires 48 V phantom power@+*Technical data DM20 gooseneck condenser microphone:*@+@+, For tom and snare pick-up, Polar pattern: cardioid, Frequency range: 20 - 20,000 Hz, Sensitivity: 8mV/Pa (-42dBV/Pa), Max. sound pressure level: 150 dB, Requires phantom power 24-48 V, Dimensions: 282 x 22 mm (length x diameter), Weight: 250 g@+*Technical data SR20LS:*@+@+, Polar pattern: Cardioid, Frequency response: 20 - 20,000 Hz, Max. sound pressure level: 150 dB